Haruna GARBA,2023-09-222023-09-222021-03-26https://teras.ng/api/asset/document/eaabac58-9f74-4c62-8136-c3ec92de2c27https://teras.ng/catalog-item/17db41d9-47ed-44d9-b456-eaaceba7d845http://dspace.teras-network.net:4000/handle/123456789/19606This research examined the Assessment of Principals’ Role performance on School-Based Supervision in Secondary Schools in Yobe State. Five (5) objectives were raised to guide the study which include to: assess the principals’ supervisory practice on provision of instructional materials in senior secondary schools in Yobe State; examine the principals’ supervisory practice onsupervision of instructional methods inSenior Secondary Schools in Yobe State;ascertain principals’ supervisory role performance on classroom visitation in senior secondary Schools in Yobe State; find out principals’ supervisory role performance on checking of record diary in senior secondary schools in Yobe State; and examine principals’ supervisory role performance on evaluation of instruction in senior secondary schools in Yobe State. Five (5) research questions and five (5) research hypotheses were also formulated which were in line with the stated objectives. Descriptive survey research design was used for the study. The population of the study was 925 respondents which consist of 16 principals, 40 school supervisors and 869 teachers in senior secondary schools in Gashua Education Zone. The sample size for the study was 260 respondents and structured questionnaire was usedbased on linkert scale;content and face validity was scrutinized. The pilot study was carried in Government High Islamic College Nguru. The reliability of the instrument was determined using cronbach alphaand reliability coefficient at 0.74. Frequency counts and simple percentage were used to analyze the bio-data of the respondents while Analysis of Variance (ANOVA) was used to test the formulated hypotheses at 0.05 level of significance. However, the findings of the study revealed that;principals supervisedof instructional materials provision such as textbooks and charts in senior secondary schools in Yobe State. It also revealed that principals guide the teachers on the use of instructional methods such as demonstration methods, dramatization method and discussion method in senior secondary schools in Yobe State. The study recommended among others that principals and government should ensure that instructional teaching materials are provided to teachers to encourage them to teach and should ensure that they are well kept and utilized for the promotion of teaching and learning toward the attainment of secondary schools objectivesResearch Theses